ipf_rx_find_addr
node = ipf_rx_find_addr(head->root, (u_32_t *)addr);
found = ipf_rx_find_addr(head->root, (u_32_t *)addr);
node = ipf_rx_find_addr(head->root, addr);
static ipf_rdx_node_t *ipf_rx_find_addr(ipf_rdx_node_t *, u_32_t *);
found = ipf_rx_find_addr(head->root, (u_32_t *)addr);